db.serverStatus() — MongoDB Technical Interview Questions & Answers

Server-wide status and performance metrics.

db.serverStatus()

  • Simple meaning: db.serverStatus() is a big server health document (connections, memory, opcounters).
  • How to use: db.serverStatus().connections to peek at current connections. Admins use this; students rarely need the full dump.
  • Common mistake: pasting the whole output in an interview. Pick one field.
  • Interview tip: “Diagnostics for the process, not a collection query.”

Technical Interview Tip: One field from serverStatus, not the whole JSON.

Code Examples for db.serverStatus()

db.serverStatus() — working example

db.serverStatus()

db.serverStatus() — serverStatus returns server-wide metrics (connections, opcounters, memory).

How to Explain db.serverStatus() to an Interviewer

What is serverStatus?

A command that returns mongod process metrics